Key benefits Automatic water filling and stopping: Maintains the desired water level without manual intervention, helping prevent overflow and reducing maintenance time. Builtin water filter: Delivers a cleaner water supply directly from the source. Adjustable installation and settings: Flexible mounting and tuning to fit a variety of setups. Broad compatibility: Suitable for ponds, water tanks, toilet storage tanks, water purifiers, pools, aquariums, aquaculture, and industrial tanks. What it is and how it works The 2PC Float Valve features an adjustable installation and adjustment mechanism plus a builtin water filter for clean water delivery. Operation is automatic: as water rises, the float closes the valve to stop filling; as water drops, the valve opens to refill. Use scenarios Outdoor pond or koi pond: Maintains a stable water level to support fish health and protect pumps and filtration. Home water storage tank or toilet cistern: Ensures continuous water supply and automatic shutoff when the tank is full. Aquarium, aquaculture system, or industrial tank: Keeps a consistent water level to safeguard equipment and maintain filtration performance. Key specifications and attributes Model: 2PC Float Valve Features: adjustable installation and adjustment; builtin water filter Function: automatic water filling and stopping Compatibility: ponds, water tanks, toilet storage tanks, water purifiers, pools, aquariums, aquaculture, and industrial tanks Size and material: not specified in this description; refer to product packaging or listing for exact details Performance notes Designed for reliable level control with minimal supervision. Easy to install and tune to suit multiple applications.